Ch15 HW2 - Ch15 HW2 F2010 12/17/10 9:05 PM WebAssign Ch15...

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12/17/10 9:05 PM Ch15 HW2 F2010 Page 1 of 5 http://www.webassign.net/v4cgisacoreth@ncsu/student.pl?z=20101218020419sacoreth@ncsu6657124101 Current Score : 13.75 / 14 Due : Wednesday, September 1, 2010 11:25 AM EDT 1. 1/1 points Question: MI3 15.6.X.052 Which of the following diagrams correctly displays the polarization of a metal sphere by an electric field that points downward , using the conventions discussed in the Matter and Interactions textbook? J J Solution or Explanation A metal object has a sea of mobile electrons, which can move throughout the metal. Excess charge builds up at the surface of the object. We draw this excess charge just outside the boundary, to indicate that it is not "inside" the conductor. 2. 0.75/1 points Question: MI2 14.X.07.02 Which of the following diagrams correctly displays the polarization of a plastic sphere by an electric field that points upward , using the conventions discussed in the Matter and Interactions textbook? G G Ch15 HW2 F2010 (Homework) Stefan Coreth PY 208, section 002M, Fall 2010 Instructor: Laura I. Clarke Web Assign The due date for this assignment is past. Your work can be viewed below, but no changes can be made.
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12/17/10 9:05 PM Ch15 HW2 F2010 Page 2 of 5 http://www.webassign.net/v4cgisacoreth@ncsu/student.pl?z=20101218020419sacoreth@ncsu6657124101
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Ch15 HW2 - Ch15 HW2 F2010 12/17/10 9:05 PM WebAssign Ch15...

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